<template>
  <div class="login_container">
    <div class="login_box">
      <!--头像区域-->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt=""/>
      </div>
      <!--登录表单区域-->
      <el-form :rules="loginFormRules" ref="loginFormRef" :model="loginForm" label-width="0px" class="login_form">
        <!--        用户名-->
        <el-form-item prop="username" >
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!--        密码-->
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" type="password" prefix-icon="iconfont icon-3702mima"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data(){
    return{
      loginForm:{
        username:'admin',
        password:'12345678'
      },
      loginFormRules: {
        // 验证用户名是否合法
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        // 验证密码是否合法
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods:{
    //点击重置按钮
    resetLoginForm(){
      //console.log(this);
      this.$refs.loginFormRef.resetFields();
    },
    login(){
      this.$refs.loginFormRef.validate(
         async vaild =>{
            if(!vaild) return;
            const {data :res}  = await this.$http.post("login",this.loginForm);
            console.log(res)
            if(res.meta.status !== 200) return this.$message.error("登录失败");
            this.$message.success("登录成功");
            //1.将登陆的token保存到session中
            window.sessionStorage.setItem("token",res.data.token);
            // 2.通过编程式导航跳转到主页
            this.$router.push("/home");
          }
      );


    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  height: 100%;
  background-color: #2d4b6b;
}

.login_box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;

  .avatar_box {
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 10px;
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    box-shadow: 0 0 10px #ddd;
    background-color: #fff;

    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eeeeee;
    }

  }

  .login_form {
    box-sizing: border-box;
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
  }

  .btns {
    display: flex;
    justify-content: flex-end;
  }

}

</style>
